CN203043590U - Electric heating heat preservation and rectification tower - Google Patents
Electric heating heat preservation and rectification tower Download PDFInfo
- Publication number
- CN203043590U CN203043590U CN 201320026325 CN201320026325U CN203043590U CN 203043590 U CN203043590 U CN 203043590U CN 201320026325 CN201320026325 CN 201320026325 CN 201320026325 U CN201320026325 U CN 201320026325U CN 203043590 U CN203043590 U CN 203043590U
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- heating wire
- electric heating
- heating
- rectifying column
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Abstract
The utility model discloses an electric heating heat preservation and rectification tower. The electric heating heat preservation and rectification tower comprises an inner pipe, an outer pipe and a protection sleeve, wherein the outer pipe is positioned outside the inner pipe, and the protection sleeve is positioned outside the outer pipe. The electric heating heat preservation and rectification tower further comprises a first electric heating wire, a second electric heating wire, a third electric heating wire and a fourth electric heating wire, wherein the first electric heating wire is wound at the upper part of the outer wall of the inner pipe, the second electric heating wire is wound at the lower part of the outer wall of the inner pipe, the third electric heating wire is wound at the upper part of the outer wall of the outer pipe, the fourth electric heating wire is wound at the lower part of the outer wall of the outer pipe, a heating black wiring board for connecting with a power supply and a temperature measurement green wiring board for connecting with a temperature measurement resistor are mounted at the upper end of the protection sleeve, and the wiring ends of the first electric heating wire, the second electric heating wire, the third electric heating wire and the fourth electric heating wire are connected with the heating black wiring board through conducting wires. The electric heating heat preservation and rectification tower disclosed by the utility model can realize segmented heating and meet the gradient temperature distribution requirement of the rectification tower.
Description
Technical field
The utility model relates to a kind of electrical heat tracing rectifying column, belongs to the rectifying column technical field.
Background technology
At present, material rectifying separates, and one of critical piece is exactly rectifying column, normally carries out for guaranteeing rectifying, and the rectifying column insulation is very important, and traditional heat preserving method has following three kinds: 1, outside rectifying column single tube post, wrap up in the glass cloth insulation outward with mineral wool; 2, in the rectifying column inner and outer pipes, be evacuated and the insulation of silver-plated film; 3, in rectifying column, twine the electric heating silk ribbon heat tracing of flat outside the pipe, tie up 0-250 ℃ of mercurial thermometer in the stage casing in addition, in order to view and emulate holding temperature.More than three kinds of methods solve the insulation problem of rectifying column to a certain extent, but all have certain defective.First method is more original, and the tower heat loss is more, and should not carry out the rectifying of high-melting-point material, and gas-liquid exchange situation is unknown in the tower.Second kind of vacuum column heat insulation effect is better than first method, but because the influence of the cold and hot coefficient of expansion of pipe inner and outer pipes, when carrying out the rectifying of high-melting-point material, usually can the drawing crack rectifying column, and vacuum heat-preserving was lost efficacy.The third method is better than preceding two kinds, but can not make tower when work, and the temperature distribution gradient conforms in the tower, and mercurial thermometer is observed inconvenience.
Summary of the invention
Technical problem to be solved in the utility model is the defective that overcomes prior art, and providing a kind of can heat in segmentation, satisfies the rectifying column electrical heat tracing rectifying column of temperature distribution gradient requirement up and down.
In order to solve the problems of the technologies described above; the technical solution of the utility model is: a kind of electrical heat tracing rectifying column; comprise interior pipe; outer tube and protective casing; outer tube is positioned at the outside of pipe; protective casing is positioned at the outside of outer tube; also comprise first heating wire; second heating wire; the 3rd heating wire and the 4th heating wire; first heating wire is wrapped in the top of outer wall of inner tube; second heating wire is wrapped in the bottom of outer wall of inner tube; the 3rd heating wire is wrapped in the top of outer tube outer wall; the 4th heating wire is wrapped in the bottom of outer tube outer wall; the heating black terminal plate that connects power supply is installed, first heating wire on the protective casing; second heating wire; the terminals of the 3rd heating wire and the 4th heating wire all are connected with heating black terminal plate by lead.
Further; be respectively arranged with temperature detecting resistance between described first heating wire and the 3rd heating wire and between second heating wire and the 4th heating wire; in described protective casing upper end the green terminal plate of thermometric is installed also, two temperature detecting resistances all are connected on the green terminal plate of thermometric.
Further, described first heating wire is connected with power supply by heating black terminal plate with the 3rd heating wire series connection back.
Further, described second heating wire is connected with power supply by heating black terminal plate with the 4th heating wire series connection back.
After having adopted technique scheme, heating wire of the present utility model is divided into upper and lower two sections and respectively rectifying column is heated, can make the difference of temperature up and down of rectifying column inside, satisfied rectifying column temperature distribution gradient requirement up and down, be conducive in rectifying column, test, guaranteed the heat insulation effect of rectifying column; In addition, between first heating wire and the 3rd heating wire and add temperature detecting resistance between second heating wire and the 4th heating wire holding temperature is monitored, can view and emulate the variations in temperature signal, can show instantaneous temperature numerical value by digital thermometer, convenient directly perceived.
Description of drawings
Fig. 1 is the wiring diagram of the heating part of electrical heat tracing rectifying column of the present utility model;
Fig. 2 is the wiring diagram of the temperature measurement fraction of electrical heat tracing rectifying column of the present utility model.
The specific embodiment
Content of the present utility model is easier to be expressly understood in order to make, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below,
As shown in Figure 1; a kind of electrical heat tracing rectifying column; pipe 1 in comprising; outer tube 2 and protective casing 3; outer tube 2 is positioned at the outside of pipe 1; protective casing 3 is positioned at the outside of outer tube 2; also comprise first heating wire 4; second heating wire 5; the 3rd heating wire 6 and the 4th heating wire 7; the top of pipe 1 outer wall in first heating wire 4 is wrapped in; the bottom of pipe 1 outer wall in second heating wire 5 is wrapped in; the 3rd heating wire 6 is wrapped in the top of outer tube 2 outer walls; the 4th heating wire 7 is wrapped in the bottom of outer tube 2 outer walls; heating black terminal plate 8, the first heating wire 4 that connect power supply are installed on the protective casing 3; second heating wire 5; the terminals of the 3rd heating wire 6 and the 4th heating wire 7 all are connected with heating black terminal plate 8 by lead.Heating wire of the present utility model is divided into upper and lower two sections and respectively rectifying column is heated, can make the difference of temperature up and down of rectifying column inside, satisfy rectifying column temperature distribution gradient requirement up and down, be conducive in rectifying column, test, guaranteed the heat insulation effect of rectifying column.
As shown in Figure 2; be respectively arranged with temperature detecting resistance 9 between first heating wire 4 and the 3rd heating wire 6 and between second heating wire 5 and the 4th heating wire 7; in protective casing 3 upper ends 10, two temperature detecting resistances 9 of the green terminal plate of thermometric being installed also all is connected on the green terminal plate 10 of thermometric.Monitor adding 9 pairs of holding temperatures of temperature detecting resistance between first heating wire 4 and the 3rd heating wire 6 and between second heating wire 5 and the 4th heating wire 7, can view and emulate the variations in temperature signal, can show instantaneous temperature numerical value by digital thermometer, convenient directly perceived.
First heating wire 4 is connected with power supply by heating black terminal plate 8 with the 3rd heating wire 6 series connection backs.
The bore standard configuration of electrical heat tracing rectifying column has 19,24,29,34,40,50,70, eight kinds of 100mm, also can carry out special regulation according to customer requirement does, tower height has 500,700,1000, four kinds of 1300mm, when requiring high tower, but adjunction is used, heating black terminal plate 8 also connects two road 220V interchange control voltage, one the tunnel connects first heating wire 4 and the 3rd heating wire 6 of series connection, one the tunnel connects second heating wire 5 and the 4th heating wire 7 of series connection, control desk-top cabinet by the CS00B distillation operation and regulate the control power supply, the green terminal plate 10 of thermometric connects two-way temperature detecting resistance 9, and temperature detecting resistance 9 can adopt the PT100 RTD, a temperature of surveying top, a temperature of surveying the bottom, what need prompting especially is must make the rectifying column connection principle clear when wiring, the binding post of heating black terminal plate 8 has power, the binding post of the green terminal plate 10 of thermometric is milli shape signals, must not receive the 220V power supply binding post of the green terminal plate 10 of thermometric, will burn temperature detecting resistance immediately like this.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. electrical heat tracing rectifying column; comprise interior pipe (1); outer tube (2) and protective casing (3); outer tube (2) is positioned at the outside of pipe (1); protective casing (3) is positioned at the outside of outer tube (2); it is characterized in that: also comprise first heating wire (4); second heating wire (5); the 3rd heating wire (6) and the 4th heating wire (7); first heating wire (4) is wrapped in the top of interior pipe (1) outer wall; second heating wire (5) is wrapped in the bottom of interior pipe (1) outer wall; the 3rd heating wire (6) is wrapped in the top of outer tube (2) outer wall; the 4th heating wire (7) is wrapped in the bottom of outer tube (2) outer wall; the heating black terminal plate (8) that connects power supply is installed, first heating wire (4) on the protective casing (3); second heating wire (5); the terminals of the 3rd heating wire (6) and the 4th heating wire (7) all are connected with heating black terminal plate (8) by lead.
2. electrical heat tracing rectifying column according to claim 1; it is characterized in that: be respectively arranged with temperature detecting resistance (9) between described first heating wire (4) and the 3rd heating wire (6) and between second heating wire (5) and the 4th heating wire (7); the green terminal plate (10) of thermometric also is installed in described protective casing (3) upper end, and two temperature detecting resistances (9) all are connected on the green terminal plate of thermometric (10).
3. electrical heat tracing rectifying column according to claim 1 and 2 is characterized in that: described first heating wire (4) is connected with power supply by heating black terminal plate (8) with the 3rd heating wire (6) series connection back.
4. electrical heat tracing rectifying column according to claim 1 and 2 is characterized in that: described second heating wire (5) is connected with power supply by heating black terminal plate (8) with the 4th heating wire (7) series connection back.
5. electrical heat tracing rectifying column according to claim 3 is characterized in that: described second heating wire (5) is connected with power supply by heating black terminal plate (8) with the 4th heating wire (7) series connection back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026325 CN203043590U (en) | 2013-01-18 | 2013-01-18 | Electric heating heat preservation and rectification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026325 CN203043590U (en) | 2013-01-18 | 2013-01-18 | Electric heating heat preservation and rectification tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203043590U true CN203043590U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320026325 Expired - Fee Related CN203043590U (en) | 2013-01-18 | 2013-01-18 | Electric heating heat preservation and rectification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203043590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797417A (en) * | 2016-04-29 | 2016-07-27 | 大连德泽药业有限公司 | Fractionation device, method and system for preparing high-purity fractions by monitoring temperature |
-
2013
- 2013-01-18 CN CN 201320026325 patent/CN203043590U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797417A (en) * | 2016-04-29 | 2016-07-27 | 大连德泽药业有限公司 | Fractionation device, method and system for preparing high-purity fractions by monitoring temperature |
| CN105797417B (en) * | 2016-04-29 | 2018-07-06 | 大连德泽药业有限公司 | Monitor fractionating device, method and system that temperature prepares high-purity fraction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170105 Address after: 213017 Jiangsu province Changzhou City Tianning District Qinglong Street Qingyang Road No. 166 Patentee after: Changzhou claudina Chemical Technology Co Ltd Address before: 213003 Jiangsu city of Changzhou province Zhongshan Road Tianning District No. 161 on the third. Patentee before: Changzhou Changshun Fine Chemicals Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20200118 |